CN209754588U

CN209754588U - Clamping and aligning device for machining cable penetrating device hole of eccentric oil pipe hanger

Info

Publication number: CN209754588U
Application number: CN201920446073.1U
Authority: CN
Inventors: 任国庆; 张大鹏
Original assignee: MSP Drilex Shanghai Co Ltd
Current assignee: MSP Drilex Shanghai Co Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2019-12-10
Anticipated expiration: 2029-04-03

Abstract

The utility model relates to a clamping alignment device for processing a cable crossing device hole of an eccentric oil pipe hanger, which comprises a bottom plate, wherein a chute is arranged on the bottom plate, and a stand column is vertical to the bottom plate and can slide along the chute; a group of coaxial V-shaped blocks with the same height and opening angle are fixedly arranged on the bottom plate; a vertical guide groove is formed in the upright column, the tail end of the plug is limited in the guide groove and can move up and down along the guide groove, and the tail end of the plug is positioned and then is connected with the upright column through a bolt; the oil pipe hanger is horizontally arranged on the group of V-shaped blocks and can rotate; the size of the plug corresponds to an oil pipe hole of the oil pipe hanger; and the group of pressing plates are pressed on the oil pipe hanger and are tightened and fixed with the V-shaped block through the pull rod. The utility model greatly reduces the alignment time required for processing the cable through hole, improves the processing efficiency of the cable through hole, and has simple structure and convenient manufacture; the machining accuracy of the cable through device hole is greatly improved.

Description

Clamping and aligning device for machining cable penetrating device hole of eccentric oil pipe hanger

Technical Field

The utility model relates to a clamping aligning device in eccentric tubing hanger cable through ware hole of processing belongs to back pressure valve technical field.

background

the oil pipe head consists of an oil pipe head four-way joint, an oil pipe hanger, a sealing device, a jackscrew, a gate valve, a pressure gauge and a flange.

The top of the tubing head is connected with the Christmas tree through a tubing hanger. A tubing hanger is a device that sits in a conical seat of a tubing head for hanging a tubing string and providing a seal between the hanging tubing and the conical seat of the tubing head. Offshore oil and gas wells generally have downhole safety valves, so the tubing hanger must have a passageway for connecting a hydraulic control pipeline-the tubing hanger cable passes through the hole of the tubing hanger.

As shown in fig. 1, the tubing hanger cable pass-through hole is not in the center of the tubing hanger body, but is generally in an eccentric position and has a relative position requirement with respect to the center of the tubing. Different tubing hanger cables are not fixed in the position of the through device hole, and the relative position size is determined according to requirements. The machining center is used for machining the cable through device hole, and the eccentric cable through device hole needs to be aligned and determined. In the process, the alignment difficulty is high, the alignment time is long, the error probability of position alignment is high, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clamping aligning device that eccentric oil pipe hanger cable of processing passes through ware hole combines the back with oil pipe hanger body and above-mentioned device, can realize a clamping alignment, accomplishes the cable rapidly and passes through ware hole finish machining process.

The utility model adopts the following technical proposal:

A clamping and aligning device for machining a cable through device hole of an eccentric oil pipe hanger comprises a bottom plate 1, wherein a sliding groove is formed in the bottom plate 1, and an upright post 4 is perpendicular to the bottom plate 1 and can slide along the sliding groove; a group of coaxial V-shaped blocks 2 with the same height and opening angle are fixedly arranged on the bottom plate 1; a vertical guide groove 13 is formed in the upright column 4, the tail end of the plug 5 is limited in the guide groove 13 and can move up and down along the guide groove 13, and the tail end of the plug 5 is positioned and then is in bolted connection with the upright column 4; the oil pipe hanger is horizontally arranged on the group of V-shaped blocks 2 and can rotate; the plug 5 corresponds to an oil pipe hole of the oil pipe hanger in size; the group of pressing plates 3 are pressed on the oil pipe hanger and are tightened and fixed with the V-shaped block 2 through a pull rod 6.

Furthermore, the middle of the pressure plate 3 is convex upwards, and the two ends are horizontal.

Further, the number of the group of V-shaped blocks 2 is 3, and the number of the group of press plates 3 is 2.

Furthermore, two sides of each V-shaped block 2 are respectively provided with a screw hole, and the pull rod 6 is screwed and fixed with the screw holes.

Further, the V-shaped block 2 is fixedly connected with the bottom plate 1 through a bolt 10.

The alignment method adopting the clamping alignment device comprises the following steps:

s1, fixedly connecting the bottom plate 1 and the V-shaped block 2 through bolts and taper pins, and placing the bottom plate and the V-shaped block on a workbench of a machining center;

S2, enabling the 3V-shaped blocks 2 to be perpendicular to the workbench and to be parallel to each other, and enabling the centers of the V-shaped blocks to coincide with the bottom plate;

S3, placing the oil pipe hanger body on the V-shaped block 2;

S4, moving the upright post 4 along the sliding groove to enable the plug 5 to gradually approach the oil pipe hanger body;

S5, an operator performs alignment by rotating the body on the V-shaped block and adjusting the upper and lower positions of the plug;

S6, an oil pipe hole of the oil pipe hanger is completely overlapped with the center of the plug 5, the plug is completely plugged into the oil pipe hole, and alignment is completed;

And S7, fixing the tubing hanger body by an operator through the pressure plate 3, the pull rod 6, the washer 7 and the nut, and performing finish machining on the cable penetrating device hole.

The beneficial effects of the utility model reside in that:

1) in the prior art, a machining center machines a cable through device hole, the aligning time is about 3.5 hours, after the clamping and aligning device is used, the first piece of the cable is generally about 1 hour, after the first piece of the cable is aligned, the upper position and the lower position of a plug are determined, each piece of the cable is about 0.5 hour, and the machining time is saved by 3 hours; the time required to align the cable through the device hole is greatly reduced.

2) The original total processing time is 12 hours, the current total processing time is 9 hours, and the processing efficiency is improved by 25 percent.

3) simple structure and convenient manufacture.

4) the design is ingenious, and the machining efficiency of the eccentric cable of the oil pipe hanger penetrating through the hole of the hanger is greatly improved.

5) the machining accuracy of the cable through device hole is greatly improved.

drawings

FIG. 1 is a cross-sectional view of an eccentric tubing hanger.

Fig. 2 is a left side view of the eccentric tubing hanger.

fig. 3 is the front view of the clamping alignment device for processing the cable crossing device hole of the eccentric tubing hanger of the utility model, and the eccentric tubing hanger is installed in the front view.

Fig. 4 is a right side view of fig. 3.

Fig. 5 is a top view of fig. 3.

In the figure, 1 — bottom plate; 2-a V-shaped block; 3, pressing a plate; 4, a column; 5, plugging; 6, a pull rod;

7-a gasket; 8, a nut; 9-bolt; 8-taper pin; 9-bolt; 10-positioning holes; 11. a cable passes through the device hole; 12-oil pipe hole; 13-guide groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-2, fig. 1 and 2 primarily illustrate the construction of an eccentric tubing hanger.

Referring to fig. 3-5, the clamping and aligning device for processing the cable through device hole of the eccentric oil pipe hanger comprises a bottom plate 1, wherein a sliding groove is formed in the bottom plate 1, and an upright post 4 is perpendicular to the bottom plate 1 and can slide along the sliding groove; a group of coaxial V-shaped blocks 2 with the same height and opening angle are fixedly arranged on the bottom plate 1; a vertical guide groove 13 is formed in the upright column 4, the tail end of the plug 5 is limited in the guide groove 13 and can move up and down along the guide groove 13, and the tail end of the plug 5 is positioned and then is in bolted connection with the upright column 4; the oil pipe hanger is horizontally arranged on the group of V-shaped blocks 2 and can rotate; the plug 5 corresponds to an oil pipe hole of the oil pipe hanger in size; the group of pressing plates 3 are pressed on the oil pipe hanger and are tightened and fixed with the V-shaped block 2 through a pull rod 6.

In this embodiment, referring to fig. 4, the pressure plate 3 is convex in the middle and horizontal at both ends.

In this embodiment, referring to fig. 3 and 5, the number of the V-shaped blocks 2 is 3, and the number of the pressing plates 3 is 2.

in this embodiment, referring to fig. 4, each V-shaped block 2 has a screw hole on each of its two sides, and the pull rod 6 is screwed into the screw hole.

in this embodiment, referring to fig. 4-5, the V-block 2 is fixedly connected to the base plate 1 by bolts 10.

S3, placing the oil pipe hanger body on the V-shaped block 2;

When using the above described clamping alignment device, it usually takes about 1 hour for the eccentric tubing hanger first piece to be aligned. After the first piece is aligned, the upper position and the lower position of the plug are determined, and each piece is aligned for about 0.5 hour later, so that the processing time is saved by 3 hours. The original total processing time is 12 hours, the current total processing time is 9 hours, and the processing efficiency is improved by 25 percent.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and these changes or improvements should fall within the scope of the present invention.

Claims

1. the utility model provides a clamping aligning device that eccentric tubing hanger cable of processing passes through ware hole which characterized in that:

the device comprises a bottom plate (1), wherein a sliding groove is formed in the bottom plate (1), and an upright post (4) is perpendicular to the bottom plate (1) and can slide along the sliding groove; a group of coaxial V-shaped blocks (2) with the same height and opening angle are fixedly arranged on the bottom plate (1);

A vertical guide groove (13) is formed in the upright column (4), the tail end of the plug (5) is limited in the guide groove (13) and can move up and down along the guide groove (13), and the tail end of the plug (5) is positioned and then is in bolted connection with the upright column (4);

The oil pipe hanger is horizontally arranged on the group of V-shaped blocks (2) and can rotate; the size of the plug (5) corresponds to an oil pipe hole of the oil pipe hanger;

The group of pressing plates (3) are pressed on the oil pipe hanger and are tightened and fixed with the V-shaped block (2) through the pull rod (6).

2. the clamping and aligning device for machining the cable through device hole of the eccentric oil pipe hanger as claimed in claim 1, wherein: the middle of the pressing plate (3) is convex upwards, and the two ends are horizontal.

3. The clamping and aligning device for machining the cable through device hole of the eccentric oil pipe hanger as claimed in claim 1, wherein: the number of the group of V-shaped blocks (2) is 3, and the number of the group of pressing plates (3) is 2.

4. The clamping and aligning device for machining the cable through device hole of the eccentric oil pipe hanger as claimed in claim 1, wherein: two sides of each V-shaped block (2) are respectively provided with a screw hole, and the pull rod (6) is screwed and fixed with the screw holes.

5. The clamping and aligning device for machining the cable through device hole of the eccentric oil pipe hanger as claimed in claim 1, wherein: the V-shaped block (2) is fixedly connected with the bottom plate (1) through a bolt (10).